Pure Enrichment’s Travel Ultrasonic Humidifier makes it convenient and easy to moisturize the dry air wherever you go. Our portable tabletop unit uses any individual water bottle to improve the air quality at home, in the office, or in your hotel room when traveling. Converts a standard individual water bottle into a moisture-producing water tank Adjustable mist control knob lets you regulate the humidity level Compact size travels anywhere easily Perfect coverage for small spaces like an office cubicle or hotel room Shuts off automatically when water bottle tank is empty Wattage: 50-60Hz, DC: 24V Measurements: 5.6" (L) x 3" (W) x 3.5" (H) Filter Type: Hepa Voice Activation: No Voltage (volts): 120v Country of Origin: Imported